Import
import { isEmpty } from "@typed/fx/RefString";Signatures
export declare const isEmpty: <E, R>(ref: RefString<E, R>) => RefSubject.Computed<boolean, E, R>;Why
Makes is empty a live projection of the string; consumers can sample it now or observe it without copying the source state.
Ownership and lifetime
The is empty view retains no independent state. An Effect read samples the source once; Fx observation follows later pushes and its observing Scope owns subscription cleanup.
Other public imports
These import paths expose the same declaration. Each page retains its own public name and signature.